3.GM.C.12
Multiply whole-number side lengths to solve problems involving the area of rectangles.
Khan Academy ResourcesArea: FAQFind a missing side length when given area Area of rectanglesArea and the distributive propertyDecompose figures to find areaTransition from unit squares to area formulaCompare areas by multiplyingCompare area and perimeterArea and the distributive propertyComparing areas and perimeters of rectanglesComparing areas of plots of landMeasuring rectangles with different unit squaresFinding missing side when given area

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